Form 8.3 -Aon plc

*                                                FORM 8.3*

*IRISH TAKEOVER PANEL*

*DISCLOSURE UNDER RULE 8.3 OF THE IRISH TAKEOVER PANEL ACT, 1997, TAKEOVER RULES, 2013*

*DEALINGS BY PERSONS WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR MORE*

*1. KEY INFORMATION*

*Name of person dealing **(Note 1)* State Street Global Advisors & Affiliates
*Company dealt in* Aon plc
*Class of relevant security to which
the dealings being disclosed relate **(Note 2)* US$0.01 ordinary shares
*Date of dealing* 24^th   November 2020
* *  

*2. INTERESTS AND SHORT POSITIONS*

*(a) Interests and short positions (following dealing) in the class of relevant security dealt in *(Note 3)
*Long* *Short* *Number* *(%)* *Number* *(%)*
*(1) Relevant securities* 9,104,794
















































3.98033%
   
*(2) Derivatives (other than options)* N/A      
*(3) Options and agreements to
purchase/sell* N/A      
*T**otal* 9,104,794
















































3.98033%
   

*(b) Interests and short positions in relevant securities of the company, other than the class dealt in *(Note 3)

*Class of relevant security:* *Long* *Short* *Number* *(%)* *Number* *(%)*
*(1) Relevant securities* N/A      
*(2) Derivatives (other than options)* N/A      
*(3) Options and agreements to purchase/sell* N/A      
*T**otal* N/A      

*3. DEALINGS *(Note 4)

*(a) Purchases and sales*

*Purchase/sale* *Number of relevant securities* *Price per unit *(Note 5)
Purchase 8,700 207.93
Purchase 200 205.61
Purchase 3,000 207.93
Purchase 4,726 207.93
Purchase 1,807 207.93
Purchase 2,472 207.93
Purchase 7,725 207.93
Purchase 984 207.93
Purchase 336 207.93
Purchase 14 207.93
Purchase 226 207.93
Purchase 1,300 207.93
Sale 75 207.93
Sale 1,491 207.93
Sale 156 207.93
Sale 42 207.93
                                                                                                                                                                                   
* (b) Derivatives transactions (other than options transactions)*

*Product name,
e.g. CFD* *Nature of transaction

*(Note 6) *Number of relevant securities

*(Note 7) *Price per unit

*(Note 5)
N/A      
                                                                                                                                                    
*(c) Options transactions in respect of existing relevant securities*

*(i) W**riting, selling, purchasing or varying*

*Product name,
e.g. call option* *Writing, selling,
purchasingvarying etc.* *Number of
securities to which
the option relates
*(Note 7) *Exercise
price* *Type**, e.g.
American,
European etc.* *Expiry
date* *Option money
paid/received
per unit *(Note 5)
N/A            

*(ii) Exercising*

*Product name,
e.g. call option* *Number of securities* *Exercise price per
unit *(Note 5)
N/A    

*(d) Other dealings (including transactions in respect of new securities) (Note 4)*

*Nature of transaction
*(Note 8) *Details* *Price per unit
(if applicable) *(Note 5)
N/A    

*4. OTHER INFORMATION*

*Agreements, arrangements or understandings relating to options or derivatives*

*Full details of any agreement, arrangement or understanding between the person disclosing and any other person relating to the voting rights of any relevant securities under any option referred to on this form or relating to the voting rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced. If none, this should be stated.*
N/A

*Is a Supplemental Form 8 attached? *(Note 9) *NO*
*Date of disclosure* 25^th  November  2020

*Contact name* Colin Fernandes
*T**elephone number                                                             * 020 33956221
*If a connected EFM, name of offeree/offeror with which connected* N/A
*If a connected EFM, state nature of connection *(Note 10) N/A